var $z = jQuery.noConflict();
$z(document).ready(function(){
var options =
  // horizontal Dock with images expanding downwards in the vertical axis...
{ align: 'bottom'
  // set the maximum minor axis (vertical) image dimension to 48px
, size: 64
  // add labels..
, labels: false
  // swap the GIF extension for PNG extension for the larger image...
, source: function(i){ return this.src.replace(/gif$/,'png'); }
};
  $z('#menu').jqDock(options);
});